One of the stars of the Fox science-fiction series "Fringe" has been cast in Ryan Murphy’s HBO pilot "Open." EW.com’s Inside TV reports that Anna Torv is joining the project, which is an exploration of human sexuality and relationships.

The project has also cast Jennifer Jason Leigh, who will play a woman in a relationship with Torv’s character, the story says.

Torv, who played FBI agent Olivia Dunham on "Fringe," will portray Windsor, “a yoga instructor in a long-term relationship with Holly (Jennifer Jason Leigh), but upon meeting Grace feels an instant connection," the story says.

Anna Torv